Military US Navy Ring Stainless Steel (Silver Color w/ Blue Stone) USN Military Rings Jewelry. Officers Military - U.S. Navy Seals Uniform Veteran Ring High Polished Stainless Steel Military Ring: Navy / USN Decal emblem design Search "C&D Military Jewelry" on Amazon For More Military Items to Choose From! Center Stone Type: Synthetic, Material: Stainless Steel. Center Stone Color: Blue Sapphire, Product Weight (Approx) 19.60(g) (1) Military USN Navy Ring for Active officers or Veterans! Ideal for Navy Seals!